CN101302753A - Water channel in knap and building method thereof - Google Patents
Water channel in knap and building method thereof Download PDFInfo
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- CN101302753A CN101302753A CNA2007101317606A CN200710131760A CN101302753A CN 101302753 A CN101302753 A CN 101302753A CN A2007101317606 A CNA2007101317606 A CN A2007101317606A CN 200710131760 A CN200710131760 A CN 200710131760A CN 101302753 A CN101302753 A CN 101302753A
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- water channel
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- storage dam
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Abstract
The invention relates to the technology of facilities for water conservancy. The technical proposal of the invention is that a flood dam and an approach channel are constructed on a main channel. The flood dam and the approach channel are constructed on the water channel, and the main channel is divided into a plurality of sections according to the fall and flow course of the water channel in hilly areas. The approach channel is constructed between the water reservoirs of the upper flood dam and the lower flood dam. The water channel constructed according to the technical proposal of the invention has simple operation, low construction and maintenance costs and wide irrigation range.
Description
Technical field
The present invention relates to the water conservancy projects technology.
Background technology
The agricultural Irrigation Ditch majority of knob is to go downstream along physical features at present, and water resource waste is serious.This mainly shows retaining poor performance and narrow two aspects of irrigated area.Because precipitation is skewness in time, the water channel run-off exists few month of fluctuation, particularly amount of precipitation in time, and the low water phenomenon often takes place.In addition, the water channel of knob often distributes along the line of rabbet joint in the topographic map, and particularly has the zone of the gradient away from water channel, and it is very inconvenient to irrigate.Though some treatment technology seems not enough, for example application number is to disclose building closed ditch on hilly region in 200520036743.0 the manual.This building closed ditch on hilly region, employing is a skeleton with the helix tube that the steel core plastic strip constitutes, and be equipped with control apart from rope, polypropylene woven cloth and steel mesh, cement injection mortar again, form with stone again, this closed channel be owing to can rise and fall with the variation of physical features, wriggle and prolong, thereby can save the construction investment reduction of erection time greatly also 80% or more.It is many that this water channel relates to material, operates loaded down with trivial detailsly, and consumable accessory is many, maintenance and change the disbursement height.
Summary of the invention
The object of the invention be to provide a kind of easy and simple to handle, build the water channel low with the maintenance cost expense, that irrigation range is wide.The technical solution used in the present invention is to repair storage dam and approach channel on the trunk canal.
On water channel, repair storage dam and approach channel, according to drop and the flow process of water channel, the trunk canal segmentation in the knob.On each section, repair storage dam, formed reservoir in the updrift side of storage dam.Reservoir need dig and deep-cut greatly, to enlarge water retention capacity.Up and down two between the reservoir of storage dam, repair approach channel.The height of storage dam greater than the approach channel canal at the bottom of height.The footpath discharge orifice is set on the storage dam, allows the part current from the trunk canal process, field irrigation is used near the supply trunk canal.The footpath discharge orifice can the regulated flow amount.After repairing storage dam on the trunk canal, the water level in trunk canal is elevated, and the part current are flow in the next reservoir through approach channel, has enlarged irrigated area like this.The height of storage dam is lower than farmland, both sides height so that flood season the every trade flood.
The water channel of taking technical solution of the present invention to build, easy and simple to handle, to build with maintenance cost lowly, irrigation range is wide.
The specific embodiment
Long five kilometers an of water channel of knob, 5 meters of drops.This water channel is divided into 5 sections, builds 5 storage dams.The height of storage dam is lower than farmland, both sides height so that flood season the every trade flood.The footpath discharge orifice is set on the storage dam, allows the part current from the trunk canal process, field irrigation is used near the supply trunk canal.After repairing storage dam on each section, formed reservoir in the updrift side of storage dam, reservoir need dig and deep-cut greatly, and the water retention capacity of each reservoir is 1000 cubic metres.Up and down two from repairing two approach channels between the reservoir of storage dam, two approach channels are positioned at the both sides, trunk canal.After repairing storage dam on the trunk canal, the water level in trunk canal is elevated, and the part current are flow in the next reservoir through approach channel, has enlarged irrigated area like this.
Claims (5)
1. hills water channel and construction method thereof is characterized in that repairing storage dam and approach channel on the trunk canal.
The height of storage dam as claimed in claim 1 greater than the approach channel canal at the bottom of height.
3. the height of storage dam as claimed in claim 1 is lower than farmland, both sides height.
4. the updrift side of storage dam as claimed in claim 1 has reservoir.
5. approach channel as claimed in claim 1 up and down two between the reservoir of storage dam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101317606A CN101302753A (en) | 2007-08-29 | 2007-08-29 | Water channel in knap and building method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101317606A CN101302753A (en) | 2007-08-29 | 2007-08-29 | Water channel in knap and building method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101302753A true CN101302753A (en) | 2008-11-12 |
Family
ID=40112823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101317606A Pending CN101302753A (en) | 2007-08-29 | 2007-08-29 | Water channel in knap and building method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101302753A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104294790A (en) * | 2014-09-18 | 2015-01-21 | 林连山 | Ecological management method for drought and flood disasters |
-
2007
- 2007-08-29 CN CNA2007101317606A patent/CN101302753A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104294790A (en) * | 2014-09-18 | 2015-01-21 | 林连山 | Ecological management method for drought and flood disasters |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20081112 |